package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDish;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     * @param
     * @return
     */
    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);
        setmealService.saveWithDish(setmealDto);

        return  R.success("添加套餐成功");

    }

    /**
     * 套餐信息分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
        log.info("page={},pagesize={},name={}",page,pageSize,name);

        //构造分页构造器
        Page<Setmeal> pageInfo=new Page<>(page,pageSize);
        Page<SetmealDto>  setmealDtoPage=new Page<>();

        //构造条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.like(name!=null,Setmeal::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        //执行查询
        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,setmealDtoPage,"records");

        List<Setmeal> records=pageInfo.getRecords();
        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item, setmealDto);
            Long categoryId = item.getCategoryId();
            //根据id查询分类对象
            if(categoryId!=null){
                Category category = categoryService.getById(categoryId);
                setmealDto.setCategoryName(category.getName());
            }

            return setmealDto;
        }).collect(Collectors.toList());

        setmealDtoPage.setRecords(list);

        return R.success(setmealDtoPage);

    }

    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("删除菜品的id：{}",ids);
        setmealService.deleteWithDish(ids);

        return R.success("删除成功");
    }

    /**
     * 套餐状态修改
     * @param status
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> updateStatus(@PathVariable int status,@RequestParam List<Long> ids){
        log.info("状态：{}",status);
        log.info("套餐id：{}",ids);
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.in(ids!=null,Setmeal::getId,ids);
        List<Setmeal> list = setmealService.list(queryWrapper);
        list.stream().map((item)->{
            item.setStatus(status);
            return item;
        }).collect(Collectors.toList());
        setmealService.updateBatchById(list);

        return R.success("套餐状态修改成功");
    }


    /**
     * 根据id查询套餐
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<SetmealDto> getById(@PathVariable Long id){

        SetmealDto setmealDto=setmealService.getByIdWithDish(id);
        return R.success(setmealDto);
    }

    /**
     * 修改套餐信息，直接用保存菜品的方法saveWithDish
     * @param setmealDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){
        setmealService.updateWithDish(setmealDto);
        return R.success("修改套餐成功");
    }

    /**
     * 查询套餐信息
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+'_'+#setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }



}
